In June of 20001+014, North Book City took the lead in passing the ISO900 1-2000 quality management system certification, standardized the company's quality management and quality assurance mechanism, and realized the high-quality humanized service satisfied by customers. The North Bookstore, which has passed the ISO certification, brings readers a brand-new enjoyment of buying books with the concept of humanization ―― several characteristic areas such as audio-visual area, stationery area and children's book area have become an important part of humanized bookstore with their unique charm. In addition, the business initiatives with the theme of "culture, leisure, entertainment and recreation" provide readers with a variety of service functions ―― VIP member club, coffee bar, parent-child entertainment world, self-help test area, multifunctional activity hall and so on. Through the interaction with readers, it provides them with an elegant and bright book buying environment and a humanized high-level service, so that readers can enjoy their lives when buying books.